C# - O'reilly definition

C# is a type-safe, component-based, high-performance language that is designed for the Microsoft .NET framework. C# 2.0 is the new generation of C#, upgraded with Generics and other advanced features and fully integrated into .NET 2.0 and Visual Studio 2005. If you are developing Windows or web applications or web services for the .NET platform, C# is in many ways the language of choice.